package com.tallysystem.servlet;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebServlet("/logoutServlet")
public class LogoutServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		HttpSession session = request.getSession();
		String name = (String)session.getAttribute("username");
		Integer number = (Integer)session.getAttribute("number");
		if(name != null || number != null) {
			// 将用户对象逐出session
			session.removeAttribute("username");
			session.removeAttribute("number");
			response.sendRedirect("login.jsp");
		}else {
			System.out.println("退出失败");
			response.sendRedirect("index.jsp");
		}
		
		
	}


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
